S-1312B12-A4T1U3

Product Overview

Category

S-1312B12-A4T1U3 belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 1.2V
• Output Current: 100mA
• Dropout Voltage: 160mV (typ.)
• Quiescent Current: 30µA (typ.)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package

The S-1312B12-A4T1U3 comes in a compact SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide a stable output voltage despite variations in the input voltage.

Packaging/Quantity

The S-1312B12-A4T1U3 is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 1.2V
• Output Current: 100mA
• Dropout Voltage: 160mV (typ.)
• Quiescent Current: 30µA (typ.)
• Line Regulation: ±0.05% (typ.)
• Load Regulation: ±0.5% (typ.)
• Ripple Rejection Ratio: 70dB (typ.)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-1312B12-A4T1U3 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range allows for versatile usage in various environments.
• Enable pin provides control over the regulator's operation.

Advantages and Disadvantages

Advantages

• Compact package size suitable for space-constrained applications.
• Stable output voltage despite input voltage variations.
• Low dropout voltage for efficient power conversion.
• Wide operating temperature range for versatility.
• Enable pin for control over the regulator's operation.

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications.
• Noisy input voltage may affect the ripple rejection ratio.

Working Principles

The S-1312B12-A4T1U3 is a voltage regulator that utilizes internal circuitry to maintain a stable output voltage of 1.2V, regardless of variations in the input voltage. It achieves this by regulating the voltage difference between the input and output, minimizing dropout voltage and ensuring efficient power conversion. The enable pin allows users to control the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The S-1312B12-A4T1U3 finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices: Provides stable voltage supply for microcontrollers, sensors, and other low-power components.
2. IoT devices: Ensures consistent voltage levels for wireless communication modules, enabling reliable data transmission.
3. Wearable electronics: Regulates voltage for display screens, processors, and other components in smartwatches, fitness trackers, etc.
4. Automotive electronics: Maintains stable voltage for sensors, control units, and infotainment systems in vehicles.
5. Industrial automation: Supports voltage regulation in PLCs (Programmable Logic Controllers), motor control systems, and other industrial equipment.

Detailed and Complete Alternative Models

1. S-1312B12-A4T2U3: Similar to S-1312B12-A4T1U3 but with a different package type (SOT-89-5).
2. S-1312B12-A4T1G: Same specifications as S-1312B12-A4T1U3 but available in a tape and reel packaging option.
3. S-1312B12-A4T1W: Wide input voltage range variant of S-1312B12-A4T1U3, supporting 2.0V to 16.0V input voltage.

These alternative models offer similar functionality and characteristics, providing options for different application requirements.

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